/*
 * Copyright:  2018 smarabbit studio.
 *
 *  Licensed under the Confluent Community License; you may not use this file
 *  except in compliance with the License.  You may obtain a copy of the License at
 *
 *  http://www.confluent.io/confluent-community-license
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 *  WARRANTIES OF ANY KIND, either express or implied.  See the License for the
 *  specific language governing permissions and limitations under the License.
 *
 *  @作   者： 黄开晖 (117227773@qq.com)
 *  @日   期:  2020年9月3日
 */
package com.massyframework.beanskin.service;

/**
 * {@link ServiceTrackerCustomizer} 提供自定义服务跟踪的扩展接口
 * 
 * @author huangkh
 */
public interface ServiceTrackerCustomizer<T> {

	/**
     * 添加服务
     * @param reference 服务引用
     * @param repository 服务仓储
     * @return {@link T},返回使用的服务实例,如果不使用服务，则返回null.
     */
    T addService(ServiceReference<T> reference, ServiceRepository repository);

    /**
     * 移除服务
     * @param reference 服务引用
     * @param service 服务实例
     */
    void removeService(ServiceReference<T> reference, T service);
}
